[OpenSIPS-Users] Provisional response handling in case of forking

[Bogdan-Andrei Iancu]

Hi Agalya,

It is not a predefine flag. And you do not have to define the flags in 
OpenSIPS. Just pickup aname and start using it in script.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 13.06.2016 17:27, Ramachandran, Agalya (Contractor) wrote:
>
> Hi Bogdan,
>
> Thank you for your kind response. I will try the logic you told me. 
> But I have a question in the below logic.
>
> “FLAG_180”, is this something declared and maintained by opensips and 
> set by default on its own if Ringing response is received or we need 
> to define this flag explicitly ?
>
> E.g for setting NAT flag, we are using ‘usrloc’ module and ‘nat_bflag’ 
> as parameter and then value.
>
> modparam("usrloc", "nat_bflag", "NAT")
>
> Likewise if we need to define explicitly, what is the module in which 
> we need to define the flag for FLAG_180?
>
> Regards,
>
> Agalya
>
> *From:*Bogdan-Andrei Iancu [mailto:bogdan at opensips.org]
> *Sent:* Monday, June 13, 2016 6:31 AM
> *To:* OpenSIPS users mailling list <users at lists.opensips.org>; 
> Ramachandran, Agalya (Contractor) <Agalya_Ramachandran at comcast.com>
> *Subject:* Re: [OpenSIPS-Users] Provisional response handling in case 
> of forking
>
> Hi Agalya,
>
> Use the onreply route (be sure to onreply_avp_mode to be set to 1 - 
> see http://www.opensips.org/html/docs/modules/2.2.x/tm.html#id294290) 
> in combination with flags, to record when the an 180 reply was set.
>
> Like:
>
> if ($rs==180) {
>     if (isflagset(FLAG_180))
>         drop();
>     setflag(FALG_180);
> }
>
> The onreply_avp_mode 1 will ensure that the onreply route will not 
> overlap for 2 replies .
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
> On 10.06.2016 23:07, Ramachandran, Agalya (Contractor) wrote:
>
>     Hi team,
>
>     We are using opensips for our project and we are currently using
>     opensips as proxy.
>
>     Am forking the incoming sip call, to two destinations. It Rings in
>     both Dest A and Dest B, as a result I get two 180 Ringing response
>     from A and B.
>
>     I want to filter only the first incoming 180 Ringing response and
>     send to the actual caller. Is there a way to do this in opensips
>     config file?
>
>     I have seen drop() function which drops the complete provisional
>     response. But in my case I have to forward one 180 Ringing to the
>     caller.
>
>     Can it be achieved by the changes in config file? Please guide me.
>
>     Regards,
>     Agalya
>
>
>
>
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>
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>
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